fix(announcement-form): 修复分类ID类型转换问题

src/components/announcement/announcement-form-mixin.js

@@ -52,7 +52,7 @@ const dataConverter = {
       id: apiData.id,
       title: apiData.title || '',
       content: apiData.content || '',
-      categoryId: apiData.categoryId || '',
+      categoryId: apiData.categoryId != null ? String(apiData.categoryId) : '',
       categoryName: apiData.categoryName,
       orgId: apiData.orgId || 0,
       orgCode: apiData.orgCode || '',
@@ -77,7 +77,7 @@ const dataConverter = {
       id: formModel.id,
       title: formModel.title,
       content: formModel.content,
-      categoryId: formModel.categoryId,
+      categoryId: formModel.categoryId != null ? String(formModel.categoryId) : '',
       categoryName: formModel.categoryName,
       orgId: Number(formModel.orgId),
       orgCode: formModel.orgCode,
@@ -349,7 +349,7 @@ export default {
             id: newVal.id || '',
             title: newVal.title || '',
             content: newVal.content || '',
-            categoryId: newVal.categoryId || '',
+            categoryId: newVal.categoryId != null ? String(newVal.categoryId) : '',
             categoryName: newVal.categoryName,
             orgId: Number(newVal.orgId || 0),
             orgCode: newVal.orgCode || '',
@@ -373,14 +373,15 @@ export default {
      */
     'formData.categoryId': {
       handler(newVal) {
-        if (newVal && this.categoryOptions && this.categoryOptions.length > 0) {
-          const category = this.categoryOptions.find(item => item.value === newVal);
+        const key = newVal != null ? String(newVal) : '';
+        if (key && this.categoryOptions && this.categoryOptions.length > 0) {
+          const category = this.categoryOptions.find(item => item.id === key || item.value === key);
           if (category) {
             this.formData.categoryName = category.name;
+            return;
           }
-        } else {
-          this.formData.categoryName = '';
         }
+        this.formData.categoryName = '';
       },
       immediate: true
     },
@@ -648,6 +649,10 @@ export default {
             label: String(item.name),
             value: String(item.id)
           }));
+          // 选项加载后，标准化当前categoryId为字符串以保证回显
+          if (this.formData && this.formData.categoryId != null && this.formData.categoryId !== '') {
+            this.formData.categoryId = String(this.formData.categoryId);
+          }
         }
       } catch (error) {
         console.error('加载分类选项失败:', error);